25217829

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 45986304

約数和(自身を除く): 20768475

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 751, 819, 861, 1599, 2253, 2583, 3731, 4797, 5257, 6759, 9763, 11193, 15771, 29289, 30791, 33579, 47313, 68341, 87867, 92373, 205023, 215537, 277119, 400283, 615069, 646611, 1200849, 1939833, 2801981, 3602547, 8405943, 25217829]

約数ペア:

[(1, 25217829), (3, 8405943), (7, 3602547), (9, 2801981), (13, 1939833), (21, 1200849), (39, 646611), (41, 615069), (63, 400283), (91, 277119), (117, 215537), (123, 205023), (273, 92373), (287, 87867), (369, 68341), (533, 47313), (751, 33579), (819, 30791), (861, 29289), (1599, 15771), (2253, 11193), (2583, 9763), (3731, 6759), (4797, 5257)]